The Milwaukee Art Museum and the Museum of Contemporary Art and the Adler Planetarium in Chicago are among the participating locations.

Other participating locations in Wisconsin are the Betty Brinn Children's Museum in Milwaukee, the Chippewa Valley Museum in Eau Claire, the EEA in Oshkosh, the Hoard Historical Museum in Fort Atkinson, the Leigh Yawkey Woodson Art Museum in Wausau, the Madison Children's Museum, the New Richmond Heritage Center, Olbrich Botanical Gardens in Madison, Rassbach Heritage Museum in Menomonie, the Angel Museum in Beloit, the Octagon House and America's First Kindergarten in Watertown, UWSP Museum of Natural History in Stevens Point and the Wisconsin Maritime Museum in Manitowoc.

Note: The ticket gives you entry to only one particpating museum. There's a limit of one ticket per household, valid for two people. Parking and special events and exhibits are not included. If a museum reaches capacity, employees may limit the number of guests until space becomes available, so keep that in mind if you're planning to go during a busy time.